1. Objective:To explore the relationship between amenorrhea and aberration of chromosome. Ŀ�ģ�̽�ֱվ�������Ⱦɫ���쳣�Ĺ�ϵ��
2. Aberration and retardation effects are also taken into account when calculating pulse phase, colatitude angle and position angle. �ڼ���������λ����γ�Ǻ�ƫ��λ�ýǹ����п����˹��в�ЧӦ���ӳ�ЧӦ��
3. Objective: To investigate the distribution of the chromosome aberration among the cases of unhealthy birth, habitual abortion, low intelligence, abnormal growth and congenital deformity . Ŀ��̽��Ⱦɫ���쳣�ڲ���������ϰ�����������������£������쳣��������εȲ����еķ��������
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n.
1. a state or condition markedly different from the norm
2. a disorder in one's mental state
3. an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
